HK1003539A1 - Gas sensors - Google Patents

Gas sensors

Info

Publication number
HK1003539A1
HK1003539A1 HK98102602A HK98102602A HK1003539A1 HK 1003539 A1 HK1003539 A1 HK 1003539A1 HK 98102602 A HK98102602 A HK 98102602A HK 98102602 A HK98102602 A HK 98102602A HK 1003539 A1 HK1003539 A1 HK 1003539A1
Authority
HK
Hong Kong
Prior art keywords
gas sensors
sensors
gas
Prior art date
Application number
HK98102602A
Other languages
English (en)
Inventor
Gary Stephen Vaughan Coles
Geraint Williams
Original Assignee
British Gas Plc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by British Gas Plc filed Critical British Gas Plc
Publication of HK1003539A1 publication Critical patent/HK1003539A1/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/22—Hydrogen, per se

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
HK98102602A 1990-03-19 1998-03-26 Gas sensors HK1003539A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909006176A GB9006176D0 (en) 1990-03-19 1990-03-19 Gas sensors

Publications (1)

Publication Number Publication Date
HK1003539A1 true HK1003539A1 (en) 1998-10-30

Family

ID=10672877

Family Applications (2)

Application Number Title Priority Date Filing Date
HK98102602A HK1003539A1 (en) 1990-03-19 1998-03-26 Gas sensors
HK98104191A HK1005045A1 (en) 1990-03-19 1998-05-14 Gas sensors

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK98104191A HK1005045A1 (en) 1990-03-19 1998-05-14 Gas sensors

Country Status (8)

Country Link
US (1) US5470756A (fr)
EP (2) EP0679884B1 (fr)
JP (1) JP2766853B2 (fr)
DE (2) DE69120948T2 (fr)
ES (1) ES2089197T3 (fr)
GB (1) GB9006176D0 (fr)
HK (2) HK1003539A1 (fr)
WO (1) WO1991014939A1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69228180T2 (de) * 1991-04-05 1999-07-29 British Gas Plc Zinnoxidgassensoren
US5466605A (en) * 1993-03-15 1995-11-14 Arizona Board Of Regents Method for detection of chemical components
GB9408542D0 (en) * 1994-04-29 1994-06-22 Capteur Sensors & Analysers Gas sensing resistors
WO1996019724A1 (fr) * 1994-12-22 1996-06-27 Senova Corporation Dispositif de detection de constituants chimiques selectionnes de courants de liquides
US5985673A (en) * 1994-12-22 1999-11-16 Arizona Baord Of Regents Method for regeneration of a sensor
US5886614A (en) * 1997-04-11 1999-03-23 General Motors Corporation Thin film hydrogen sensor
US7887685B2 (en) * 2005-07-14 2011-02-15 Caterpillar Inc. Multilayer gas sensor having dual heating zones
US7345331B1 (en) * 2005-09-23 2008-03-18 United States Of America As Represented By The Secretary Of The Navy Ferroelectric capacitor circuit for sensing hydrogen gas
WO2010044935A2 (fr) * 2008-10-16 2010-04-22 Apollo, Inc. Matériaux sensibles pour la détection du gaz et procédé de préparation de ceux-ci
JP5176019B2 (ja) * 2008-12-22 2013-04-03 富山県 Ｔｏｔａｌ−ＶＯＣ検出用ガスセンサ及びその製造方法
JP2014178199A (ja) * 2013-03-14 2014-09-25 Fuji Electric Co Ltd 薄膜式ガスセンサ及びその検査方法
JP6347976B2 (ja) * 2014-03-31 2018-06-27 新コスモス電機株式会社 水素ガスセンサ及び水素ガス検知方法
CN113720879B (zh) * 2021-08-17 2023-10-03 华南师范大学 丙酮气敏材料和丙酮气体传感器的制备方法及其应用
CN114235904B (zh) * 2021-12-17 2022-11-01 电子科技大学 一种ppb级氢气传感器及其制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030340A (en) * 1976-07-22 1977-06-21 General Monitors, Inc. Hydrogen gas detector
GB8516389D0 (en) * 1985-06-28 1985-07-31 Coles G S V Gas sensors
IT1228121B (it) * 1988-12-23 1991-05-28 Eniricerche Spa Sensore a stato solido per determinare la concentrazione di idrogeno e/o nox e relativo procedimento di preparazione

Also Published As

Publication number Publication date
EP0679884A1 (fr) 1995-11-02
DE69131803D1 (de) 1999-12-30
US5470756A (en) 1995-11-28
HK1005045A1 (en) 1998-12-18
DE69120948T2 (de) 1997-02-27
WO1991014939A1 (fr) 1991-10-03
EP0531295B1 (fr) 1996-07-17
JPH05505465A (ja) 1993-08-12
DE69120948D1 (de) 1996-08-22
EP0531295A1 (fr) 1993-03-17
EP0679884B1 (fr) 1999-11-24
DE69131803T2 (de) 2000-05-18
ES2089197T3 (es) 1996-10-01
JP2766853B2 (ja) 1998-06-18
GB9006176D0 (en) 1990-05-16

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20040315

PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)